Updated examples/benchmarks/TFT/tft.py to fix security vulnerability [trailofbits.python.pickles-in-pandas.pickles-in-pandas]

[anupamme]

Context and Purpose:

This PR automatically remediates a security vulnerability:

• Description: Functions reliant on pickle can result in arbitrary code execution. Consider using fickling or switching to a safer serialization method
• Rule ID: trailofbits.python.pickles-in-pandas.pickles-in-pandas
• Severity: HIGH
• File: examples/benchmarks/TFT/tft.py
• Lines Affected: 320 - 320

This change is necessary to protect the application from potential security risks associated with this vulnerability.

Solution Implemented:

The automated remediation process has applied the necessary changes to the affected code in examples/benchmarks/TFT/tft.py to resolve the identified issue.

Please review the changes to ensure they are correct and integrate as expected.

[Abhijais4896]

super(TFTModel, self).to_pickle(path)
super(TFTModel, self).to_parquet(path)